Everybody talks about the weather, but nobody does anything; and when people repeat that witticism, they make it sound as though someone should. Now, someone may. Geoengineering. Guest host Alex Chadwick explores whether we could use technology to alter the atmosphere and cool the warming planet. What could go wrong with that? There are scientists who think we should start trying to research exactly these questions.

Everybody talks about the weather, but nobody does anything; and when people repeat that witticism, they make it sound as though someone should. Now, someone may. Geoengineering. Guest host Alex Chadwick explores whether we could use technology to alter the atmosphere and cool the warming planet. What could go wrong with that? There are scientists who think we should start trying to research exactly these questions.